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It started as a supernova recorded by Chinese astronomers in 1054 AD. M1, the Crab Nebula, is the expanding remnant of that millenia old explosion.

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Telescope:   Stellina
Length:   400mm
Aperture:   80mm
F-stop:   f/5.0
Sessions:   3
Captured:   2021-09-02 to 2021-09-16
Lights:   372
Exposure:   10
Total exposure:   1 h
Ra:   5h 34m 29.9s
Dec:   +22° 00' 57.961
Size:   34.383 x 24.068 arcmin
Radius:   0.35 deg
Scale:   0.413 arcsec/pixel